Talk:Cylinder blown sheet glass

"larger cylinders are produced by swinging the cylinder in a trench."

What does this mean? Can someone expand on this description, it is entirely unclear.

Maury 20:17, 6 January 2007 (UTC)

This page and the one is links to should probably be all combined into one "Methods of window glass manufacture" article.67.164.117.89 (talk) 16:29, 5 July 2008 (UTC)